SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

csd-jena.de

SSL/TLS Certificate

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SSL/TLS Certificate for csd-jena.de

Valid
Issued by (CA)
Let's Encrypt
Subject
csd-jena.de
Valid from
Jun 2, 2026
Valid until
Aug 31, 2026 (40 days remaining)
Public key
RSA 2048-bit
Serial
06771F1CC327F7EDC3FEF8D9D2BDEB067A7A
SHA-256 fingerprint
F9:DC:99:F9:E6:E1:0B:89:A8:BF:4E:68:70:98:C7:D6:70:10:8A:AC:D6:B1:83:23:5E:DB:33:7D:5D:A1:05:46
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (3)
csd-jena.de, webmail.csd-jena.de, www.csd-jena.de

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.